HP Prime bricked after update

[BruceH]

(06-22-2021 09:03 AM)XY0797 Wrote:  You seem to have misunderstood it. I mean that after the new firmware is installed, the data is wrongly written into the bad block in normal use.

You could try this technique but it is for a G2 not a G1 so you may need to dig out the relevant spec sheet for the G1's flash chip in case the pin number is different.